Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 217, NWS Tulsa, OK

May 8, 20265 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 2026, 8:47 PM CDT for 5 counties in Oklahoma. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 8, 2026, 8:47 PM CDT (01:47 UTC)
Expired: May 8, 2026, 9:30 PM CDT
In force: 43 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Haskell County, OK, LeFlore County, OK, McIntosh County, OK, Muskogee County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 01:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 8, 8:30 AM CST	Tornado Watch	SPC	243 days
May 8, 2:50 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.8 hours before the alert went out and 207 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 956 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1524 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 8, 6:38 PM CDT, 2 hours 9 minutes earlier.

Area forecast discussion, May 8, 6:38 PM CDT, 2 hours 9 minutes before

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Hazardous weather outlook, May 8, 4:56 PM CDT, 3 hours 51 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
456 PM CDT Fri May 8 2026

ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-092200-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
456 PM CDT Fri May 8 2026

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Rest of This Afternoon and Tonight.

TORNADO.
	RISK...Limited.
	AREA...Northeast Oklahoma.
	ONSET...Ongoing Through Early Evening.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Eastern Oklahoma and Northwest Arkansas.
	ONSET...Ongoing Through Late Evening.

DISCUSSION...
Thunderstorms have developed across northeast Oklahoma this
afternoon and will continue to spread east and southward through
the evening. Initial storms will be capable of very large hail
and locally damaging winds. A very low but nonzero potential for a
tornado or two will also exist in parts of northeast Oklahoma
through early evening. As storms become more numerous by early
evening, the primary hazard will gradually transition to mainly
damaging winds. The severe weather threat will begin to diminish
by mid evening with storms likely dissipating around midnight.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY AND SUNDAY...Thunderstorm Potential.
MONDAY...No Hazards.
TUESDAY AND WEDNESDAY...Thunderstorm Potential.
THURSDAY...High Wind Potential.

EXTENDED DISCUSSION...
Showers and thunderstorms are expected to spread into eastern
Oklahoma Saturday night and continue into the day Sunday. These storms
will have a limited severe weather threat and potential for locally
heavy rainfall.

A weak frontal boundary may bring a few showers and thunderstorms
to parts of eastern Oklahoma and northwest Arkansas Tuesday night
into Wednesday.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, May 8, 8:15 PM CDT, 32 minutes before

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Special weather statement, May 8, 8:25 PM CDT, 22 minutes before

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Local storm report, May 8, 8:28 PM CDT, 19 minutes before

Preliminary Local Storm Report
National Weather Service Tulsa OK
828 PM CDT Fri May 8 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0810 PM     Hail             6 WNW Box               35.63N 95.07W
05/08/2026  E0.88 Inch       Sequoyah           OK   Public

            time estimated from radar.

&&

Local storm report, May 8, 8:31 PM CDT, 16 minutes before

Preliminary Local Storm Report
National Weather Service Tulsa OK
831 PM CDT Fri May 8 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0805 PM     Tstm Wnd Dmg     6 NNW Cookson           35.79N 94.96W
05/08/2026                   Cherokee           OK   Amateur Radio

            Estimated 60 mph winds. Power out. Tree
            debris of unknown size throughout the area.
            Time estimated from radar.

&&

KAH

Special weather statement, May 8, 8:35 PM CDT, 12 minutes before

Special Weather Statement
National Weather Service Tulsa OK
835 PM CDT Fri May 8 2026

OKZ070-071-074-272-090230-
Haskell OK-Central and Southern Sequoyah OK-Muskogee OK-McIntosh OK-
835 PM CDT Fri May 8 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HASKELL...NORTHEASTERN
MCINTOSH...SOUTHWESTERN SEQUOYAH AND SOUTHEASTERN MUSKOGEE COUNTIES
THROUGH 930 PM CDT...

At 834 PM CDT, Doppler radar indicated a strong thunderstorm over
Rentiesville, moving southeast at 40 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down small tree limbs and blow
         around unsecured objects. Minor hail damage to vegetation
         is possible.

Locations in or near the path include...
Stigler...                        Checotah...
Warner...                         Gore...
Porum...                          Webbers Falls...
Keota...                          Whitefield...
Oktaha...                         Tamaha...
Rentiesville...                   Briartown...
Keefeton...                       Summit...
Kanima...

This includes Interstate 40 in Oklahoma between mile markers 259 and
291.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern and east central Oklahoma.

&&

LAT...LON 3546 9562 3572 9543 3535 9480 3511 9503
TIME...MOT...LOC 0134Z 295DEG 36KT 3552 9547

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

69

Local storm report, May 8, 8:40 PM CDT, 7 minutes before

Preliminary Local Storm Report
National Weather Service Tulsa OK
840 PM CDT Fri May 8 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 PM     Hail             5 N Eram                35.68N 95.77W
05/08/2026  M1.25 Inch       Okmulgee           OK   Emergency Mngr

            On 340 Road just south of Liberty Road.
            Stripped trees in the area. Time estimated
            from radar.

&&

KAH

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 7:01 PM CDT	Areal Flood Advisory	TSA	Osage, Rogers, Tulsa, Wagoner	3 hr
May 8, 7:02 PM CDT	Special Weather Statement	TSA	Mayes	43 min
May 8, 7:05 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Cherokee, Wagoner	40 min
May 8, 7:18 PM CDT	Special Weather Statement	TSA	Wagoner	42 min
May 8, 7:28 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Sequoyah, Wagoner	47 min
May 8, 7:38 PM CDT	Special Weather Statement	TSA	Okmulgee	52 min
May 8, 7:43 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	47 min
May 8, 7:55 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okmulgee	50 min
May 8, 8:13 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Sequoyah	62 min
May 8, 8:15 PM CDT	Special Weather Statement	TSA	Adair	45 min
May 8, 8:25 PM CDT	Special Weather Statement	TSA	Creek, Okmulgee	65 min
May 8, 8:35 PM CDT	Special Weather Statement	TSA	Haskell, Muskogee	55 min
May 8, 8:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	LeFlore, Sequoyah	46 min
May 8, 8:48 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee	42 min
May 8, 9:31 PM CDT	Special Weather Statement	TSA	Okmulgee	44 min
May 8, 9:33 PM CDT	Special Weather Statement	TSA	LeFlore	42 min
May 8, 9:38 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okmulgee	24 min
May 8, 9:58 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	24 min
May 9, 5:49 AM CDT	Dense Fog Advisory	TSA	Craig, Creek, Delaware, Mayes, Muskogee, Nowata and 8 more	4 hr
May 8, 9:25 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	35 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2026 Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.